The combined market valuation of seven of the 10 most valued firms eroded by ₹1,34,139.14 crore last week, with Reliance Industries taking the biggest hit.
Last week, the Sensex lost 741.87 points or 1.26 per cent amid an overall weak trend in equities.
Barring Hindustan Unilever Limited (HUL), Bajaj Finance and ITC, others in the top-10 club suffered erosion in their market valuation.
Mcap of companies
The valuation of Reliance Industries (RIL) tumbled by ₹40,558.31 crore to reach ₹16,50,307.10 crore.
HDFC Bank's market capitalisation (mcap) declined by ₹25,544.89 crore to ₹8,05,694.57 crore.
The valuation of Adani Transmission eroded by ₹24,630.08 crore to ₹4,31,662.20 crore and that of ICICI Bank fell by ₹18,147.49 crore to ₹6,14,962.99 crore.
State Bank of India's mcap diminished by ₹9,950.94 crore to ₹4,91,255.25 crore and that of Tata Consultancy Services (TCS) dipped ₹9,458.65 crore to ₹10,91,421.84 crore.
The mcap of Infosys fell by ₹5,848.78 crore to stand at ₹5,74,463.54 crore.
However, Hindustan Unilever (HUL) added ₹35,467.08 crore taking its valuation to ₹6,29,525.99 crore.
ITC's valuation jumped ₹20,381.61 crore to ₹4,29,198.61 crore and that of Bajaj Finance climbed ₹13,128.73 crore to ₹4,54,477.56 crore.
Reliance Industries retained its top spot in the list of the most valued Indian firms, followed by TCS, HDFC Bank, HUL, ICICI Bank, Infosys, SBI, Bajaj Finance, Adani Transmission and ITC.